Download DU (University of Delhi) B-Tech 7th Semester Principles of Communication Engineering Question Paper

Download DU (University of Delhi) B-Tech (Bachelor of Technology) 7th Semester Principles of Communication Engineering Question Paper

.q?l?;
There are W1} part! Of wmm?pam .13me Put
[1.
pm 1 hasbn??que?ti??'hrhic? ih?=??3?i??piils?6r?: "
From Part II attempt any four out of six questions.
I
,3; PART]
1,4
(3)136?he modulation. What it the rie?ed'f?br ??d?lafion?
. x1 5:: - >- , ? ., (5)
P.T.O.

(3)
(3)
(1)) Compare PWM and PPM. (3?) '
1 :(c) Fm 110010, sdmw 4h: fol1owing line codes .
w 2" (i) Bipola?r'mz
; ?3 :(ii) Unipnmnz
y:- . -? ?. ? ' (iii) Unipolar NRZ
; 2. (a) What im?? advantages of 883 over DBSFC. Give (vi) Manchester . (4)
the. applicatidns of%;$BB?.v?tz.?. .ae . (3) ~ ..
?1 V . ,
(b) Caleulatc tggv?pmgnmgqmower saying whan carrier , 5? (a) Sta? the ?191'?! thwrcm' ' (3)
?d o? ?71?? ?a? band; are ??99???1 in " AM (b) What are the' advantages of digital modula'tion over
Wave modulated to a depth of 100%. (4) ', analog modulation? (3)
? P.T.O.
I . - .

(b) Find movable 91f "??g?'
i 4 ? v midi 1139- "
.
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